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Hi, This is liquied damaged and some one has cleaned before. There is no visible corrosion or damaged as I cheked with microscope. board is pretty clean. cheked only with dc in board and fan same out come. All the power rails present accurately then after 20 sec missing pm_slp_s4. ppvcc_s0...

Hi smiba , thank you for your replay. Found short in S0 line and replace the shorted resister. all good works fine now. thank you for your tip. spot on.

Hi Smiba. So sorry not to reply you, as I was out of the country. I sorted out the issue and all good. thank you so much for your help.

Hi, I have 820-3115 water damaged board , flickering charger light (like pulsing) and fan spins every few seconds. I check U7000 area and pretty nice and clean . PPBUS_G3H- 12.6v, PP3V$@_G3H-3.4v. I replaced both battery and charger current sensing resistors, no change. then I repalced U7000...

Hi, Thank you for your information as i didnt know that. it is 0.002 ohms. is that normal?

FWD: 820-00165a - fan spins, no pp1v05_s0 1 minute ago Hi, Good Day, I have 820-00165-A board, no PP1V05-S0. water damaged near U7600 area. I replaced U7600 with a new chip check the resistors around and all fine. Here are the voltages I get. R7600 =5V R7630 =4.9V PIN(1&2 BOTH) C7630 PIN 1...